Possibly related to https://bugzilla.mozilla.org/show_bug.cgi?id=62395 and https://bugzilla.mozilla.org/show_bug.cgi?id=29100
Possibly related to https:/ /bugzilla. mozilla. org/show_ bug.cgi? id=62395 and https:/ /bugzilla. mozilla. org/show_ bug.cgi? id=29100